low prevalence of helicobacter pylori in individuals with htlv-i infection. | the prevalence of helicobacter pylori in hiv-positive individuals is significantly lower than in hiv-negative controls. however, its prevalence in individuals infected with human t-cell leukaemia virus type i (htlv-i), another important member of the human retrovirus family, has not been previously investigated. | 1999 | 10755252 |